Fortune Telling Collection - Horoscope - What are the characteristics of the constellation when the carriers are not synchronized?
What are the characteristics of the constellation when the carriers are not synchronized?
What are the characteristics of the constellation when the carriers are not synchronized?
1.
White noise interference: the noise is random, and the falling point will be distributed around the ideal value like a cloud.
2.
Phase noise interference: Because the modulator is not good, the constellation rotates around the center, and the signal strength is the radius of the rotation diagram.
3.
Gain compression: due to signal compression distortion, a non-square constellation appears, and the larger the QAM peak value, the greater the distortion.
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